Wedge side pumping for fiber laser at plurality of turns

Details Wedge side pumping for fiber laser at plurality of turns Wedge side pumping for fiber laser at plurality of turns

1997-07-02

1999-07-13

Lee, John D.

Coherent light generators

Particular pumping means

372 6, 385 32, H01S 3091

Patent

active

059236949

ABSTRACT:
A pumped fiber laser including turns of optical fiber defining a wound pack, wherein the optical fiber includes a core, a cladding around the core and a concentric layer of a porous glass matrix material, such as sol-gel, around the cladding. The fiber laser further includes a pumping laser, preferably in the form of a semiconductor laser bar, having lasing regions each being operable to generate light, and a wedge device for directing the light from the lasing regions into the side of the optical fiber at a plurality of different turns thereof, respectively.

REFERENCES:
patent: 3938974 (1976-02-01), Macedo et al.
patent: 4015217 (1977-03-01), Snitzer
patent: 4815079 (1989-03-01), Snitzer et al.

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